dbcsr_get_info Subroutine

public subroutine dbcsr_get_info(matrix, nblkrows_total, nblkcols_total, nfullrows_total, nfullcols_total, nblkrows_local, nblkcols_local, nfullrows_local, nfullcols_local, my_prow, my_pcol, local_rows, local_cols, proc_row_dist, proc_col_dist, row_blk_size, col_blk_size, row_blk_offset, col_blk_offset, distribution, name, data_area, matrix_type, data_type, group)

Gets information about a matrix

Arguments

TypeIntentOptionalAttributesName
type(dbcsr_type), intent(in) :: matrix

matrix to query

integer, intent(out), optional :: nblkrows_total
integer, intent(out), optional :: nblkcols_total
integer, intent(out), optional :: nfullrows_total
integer, intent(out), optional :: nfullcols_total
integer, intent(out), optional :: nblkrows_local
integer, intent(out), optional :: nblkcols_local
integer, intent(out), optional :: nfullrows_local
integer, intent(out), optional :: nfullcols_local
integer, intent(out), optional :: my_prow
integer, intent(out), optional :: my_pcol
integer, optional DIMENSION(:), POINTER:: local_rows
integer, optional DIMENSION(:), POINTER:: local_cols
integer, optional DIMENSION(:), POINTER:: proc_row_dist
integer, optional DIMENSION(:), POINTER:: proc_col_dist
integer, optional DIMENSION(:), POINTER:: row_blk_size
integer, optional DIMENSION(:), POINTER:: col_blk_size
integer, optional DIMENSION(:), POINTER:: row_blk_offset
integer, optional DIMENSION(:), POINTER:: col_blk_offset
type(dbcsr_distribution_obj), intent(out), optional :: distribution

the data distribution of the matrix

character(len=*), intent(out), optional :: name

matrix name

type(dbcsr_data_obj), intent(out), optional :: data_area

data_area

character, optional :: matrix_type

matrix type (regular, symmetric, see dbcsr_types.F for values)

integer, optional :: data_type

data type (single/double precision real/complex)

integer, intent(out), optional :: group

Contents

Source Code


Source Code

   SUBROUTINE dbcsr_get_info(matrix, nblkrows_total, nblkcols_total, &
                             nfullrows_total, nfullcols_total, &
                             nblkrows_local, nblkcols_local, &
                             nfullrows_local, nfullcols_local, &
                             my_prow, my_pcol, &
                             local_rows, local_cols, proc_row_dist, proc_col_dist, &
                             row_blk_size, col_blk_size, row_blk_offset, col_blk_offset, distribution, name, data_area, &
                             matrix_type, data_type, group)
      !! Gets information about a matrix

      TYPE(dbcsr_type), INTENT(IN)                       :: matrix
         !! matrix to query
      INTEGER, INTENT(OUT), OPTIONAL :: nblkrows_total, nblkcols_total, nfullrows_total, &
                                        nfullcols_total, nblkrows_local, nblkcols_local, nfullrows_local, nfullcols_local, &
                                        my_prow, my_pcol
      INTEGER, DIMENSION(:), OPTIONAL, POINTER :: local_rows, local_cols, proc_row_dist, &
                                                  proc_col_dist, row_blk_size, col_blk_size, row_blk_offset, col_blk_offset
      TYPE(dbcsr_distribution_obj), INTENT(OUT), &
         OPTIONAL                                        :: distribution
         !! the data distribution of the matrix
      CHARACTER(len=*), INTENT(OUT), OPTIONAL            :: name
         !! matrix name
      TYPE(dbcsr_data_obj), INTENT(OUT), OPTIONAL        :: data_area
         !! data_area
      CHARACTER, OPTIONAL                                :: matrix_type
         !! matrix type (regular, symmetric, see dbcsr_types.F for values)
      INTEGER, OPTIONAL                                  :: data_type
         !! data type (single/double precision real/complex)
      INTEGER, INTENT(OUT), OPTIONAL                     :: group

!   ---------------------------------------------------------------------------

      !vw avoid massive printing of warnings
      !DBCSR_WARN("Invalid matrix")
      IF (PRESENT(nblkrows_total)) nblkrows_total = matrix%nblkrows_total
      IF (PRESENT(nblkcols_total)) nblkcols_total = matrix%nblkcols_total
      IF (PRESENT(nfullrows_total)) nfullrows_total = matrix%nfullrows_total
      IF (PRESENT(nfullcols_total)) nfullcols_total = matrix%nfullcols_total
      IF (PRESENT(nblkrows_local)) nblkrows_local = matrix%nblkrows_local
      IF (PRESENT(nblkcols_local)) nblkcols_local = matrix%nblkcols_local
      IF (PRESENT(nfullrows_local)) nfullrows_local = matrix%nfullrows_local
      IF (PRESENT(nfullcols_local)) nfullcols_local = matrix%nfullcols_local
      IF (PRESENT(row_blk_size)) row_blk_size => array_data(matrix%row_blk_size)
      IF (PRESENT(col_blk_size)) col_blk_size => array_data(matrix%col_blk_size)
      IF (PRESENT(row_blk_offset)) row_blk_offset => array_data(matrix%row_blk_offset)
      IF (PRESENT(col_blk_offset)) col_blk_offset => array_data(matrix%col_blk_offset)
      IF (PRESENT(distribution)) distribution = matrix%dist
      IF (PRESENT(name)) name = matrix%name
      IF (PRESENT(data_area)) data_area = matrix%data_area
      IF (PRESENT(data_type)) data_type = matrix%data_type
      IF (PRESENT(local_rows)) local_rows => dbcsr_distribution_local_rows(matrix%dist)
      IF (PRESENT(local_cols)) local_cols => dbcsr_distribution_local_cols(matrix%dist)
      IF (PRESENT(proc_row_dist)) proc_row_dist => dbcsr_distribution_row_dist(matrix%dist)
      IF (PRESENT(proc_col_dist)) proc_col_dist => dbcsr_distribution_col_dist(matrix%dist)
      IF (PRESENT(my_prow)) my_prow = dbcsr_mp_myprow(dbcsr_distribution_mp(matrix%dist))
      IF (PRESENT(my_pcol)) my_pcol = dbcsr_mp_mypcol(dbcsr_distribution_mp(matrix%dist))
      IF (PRESENT(matrix_type)) matrix_type = dbcsr_get_matrix_type(matrix)

      IF (PRESENT(group)) group = dbcsr_mp_group(matrix%dist%d%mp_env) ! a shortcut
      !IF (PRESENT(matrix_type)) THEN
      !   matrix_type = dbcsr_get_matrix_type(matrix)
      !   IF (matrix_type .EQ. dbcsr_type_invalid) &
      !      DBCSR_ABORT("Incorrect symmetry")
      !ENDIF
   END SUBROUTINE dbcsr_get_info